US9615933B2 - Expandable ring intervertebral fusion device - Google Patents
Expandable ring intervertebral fusion device Download PDFInfo
- Publication number
- US9615933B2 US9615933B2 US12/559,537 US55953709A US9615933B2 US 9615933 B2 US9615933 B2 US 9615933B2 US 55953709 A US55953709 A US 55953709A US 9615933 B2 US9615933 B2 US 9615933B2
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- rings
- ring
- expanded
- disc space
- tube
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- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2210/00—Particular material properties of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof
- A61F2210/0014—Particular material properties of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof using shape memory or superelastic materials, e.g. nitinol
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2210/00—Particular material properties of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof
- A61F2210/0085—Particular material properties of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof hardenable in situ, e.g. epoxy resins
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2220/00—Fixations or connections for prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof
- A61F2220/0025—Connections or couplings between prosthetic parts, e.g. between modular parts; Connecting elements
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2230/00—Geometry of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof
- A61F2230/0002—Two-dimensional shapes, e.g. cross-sections
- A61F2230/0004—Rounded shapes, e.g. with rounded corners
- A61F2230/0013—Horseshoe-shaped, e.g. crescent-shaped, C-shaped, U-shaped
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2230/00—Geometry of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof
- A61F2230/0063—Three-dimensional shapes
- A61F2230/0069—Three-dimensional shapes cylindrical
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2230/00—Geometry of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof
- A61F2230/0063—Three-dimensional shapes
- A61F2230/0091—Three-dimensional shapes helically-coiled or spirally-coiled, i.e. having a 2-D spiral cross-section
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2250/00—Special features of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof
- A61F2250/0058—Additional features; Implant or prostheses properties not otherwise provided for
- A61F2250/0059—Additional features; Implant or prostheses properties not otherwise provided for temporary
Landscapes
- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Orthopedic Medicine & Surgery (AREA)
- Neurology (AREA)
- Transplantation (AREA)
- Heart & Thoracic Surgery (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Cardiology (AREA)
- Vascular Medicine (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Chemical & Material Sciences (AREA)
- Dispersion Chemistry (AREA)
- Physical Education & Sports Medicine (AREA)
- Prostheses (AREA)
Abstract
Description
-
- a) a first flexible tube having an outer radius and a throughbore, a first unexpanded state and a second expanded state,
- b) a plurality of rings having a first unexpanded state and a second expanded, locked state,
- wherein each ring surrounds the outer radius of the tube,
- wherein the plurality of rings are in their unexpanded states when the tube is initially in its unexpanded state, and
- wherein the plurality of rings are in their locked expanded states once the tube has been placed in its expanded state.
-
- a) inserting a tube into the disc space, the tube carrying a plurality of rings thereon, wherein the rings are in a first unexpanded state and have a one-way locking mechanism,
- b) positioning the rings along an anterior edge of the endplates,
- c) expanding the tube to force the rings to expand and lock,
- d) collapsing the expanded tube to leave the rings behind to support the disc space, and
- e) removing the tube.
-
- a) inserting a tube having a throughbore into the disc space,
- b) passing a plurality of rings having a one-way locking mechanism over the tube in a first unexpanded state,
- c) positioning the plurality of rings along an anterior edge of the endplates,
- d) expanding the tube to force the rings to a second expanded locked state,
- e) collapsing the expanded tube to leave behind the locked rings to support the disc space, and
- f) removing the tube.
-
- a) a substantially semicircular array of rings having a first unexpanded state and a second expanded, locked state,
wherein each ring in its expanded, locked state has a diameter corresponding substantially to a height of the disc space.
- a) a substantially semicircular array of rings having a first unexpanded state and a second expanded, locked state,
-
- a) inserting an assembly into a disc space, the assembly comprising an expandable balloon having a plurality of expandable rings thereon,
- b) expanding the expandable balloon to expand the expandable rings.
-
- a) inserting into a disc space a fusion ring in an unexpanded state,
- b) expanding the ring to an expanded state.
-
- a) inserting into a disc space a spiral-shaped fusion ring having an inner end and a outer end, wherein the ends overlap,
- b) expanding the ring so that the first end abuts the second end.
-
- a) placing a plurality of curable bladder rings 65 onto the
inner balloon 61; - b) inserting the bladder rings/inner balloon assembly into the disc space;
- c) expanding the inner balloon to expand and then compress the bladder rings;
- d) curing the bladder rings to produce a permanent, ringed, load-bearing implant; and
- e) (optionally) removing the inner balloon to produce a permanent implant consisting essentially of spaced rings.
- a) placing a plurality of curable bladder rings 65 onto the
-
- a) a first
flexible tube 61 having anouter radius 63 and a throughbore, a first unexpanded state and a second expanded state, - b) a plurality of bladder rings 65 having a first unexpanded state and a second expanded, locked state,
- wherein each bladder ring surrounds the outer radius of the tube and is filled with a curable component,
- wherein the plurality of rings are in their unexpanded states when the tube is initially in its unexpanded state, and
- wherein the plurality of bladder rings are in their expanded states once the tube has been placed in its expanded state.
- a) a first
-
- a) a first flexible tube (not shown) having an outer radius and a throughbore, a first unexpanded state and a second expanded state,
- b) a plurality of
expandable rings 71 having a first unexpanded state (FIG. 7a ) and a second expanded, locked state (FIG. 7b ), wherein each ring comprises;- i) upper and
lower plates 73, each plate having anouter surface 74 adapted for gripping a vertebral endplate and aninner surface 75 adapted for bearing against the outer radius of the first flexible tube, and - ii) a pair of elongatable struts 76 connecting the upper and lower plates, each strut adapted to resist recession,
- i) upper and
- wherein each expandable ring surrounds the outer radius of the tube,
- wherein the plurality of rings are in their unexpanded states when the tube is initially in its unexpanded state, and
- wherein the plurality of rings are in their expanded states once the tube has been placed in its expanded state.
FIG. 7e Shows a Side View of a Lordotic Ring of the Present Invention
-
- a) first
U-shaped component 81 having first 82 and second 83 legs and a curvedintermediate region 84 comprising aconvex surface 85 and aconcave surface 86, - b) second
U-shaped component 91 having first 92 and second 93 legs and a curvedintermediate region 94 comprising aconvex surface 95 and aconcave surface 96,
- a) first
- wherein the concave surfaces oppose each other, and the convex surfaces are adapted for gripping respective opposing vertebral endplates, and
- wherein the first legs of each component are adapted to nest with each other to form a first keyway, and
- wherein the second legs of each component are adapted to nest with each other to form a second keyway.
Claims (5)
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US12/559,537 US9615933B2 (en) | 2009-09-15 | 2009-09-15 | Expandable ring intervertebral fusion device |
US15/454,688 US20170172754A1 (en) | 2009-09-15 | 2017-03-09 | Expandable Ring Intervertebral Fusion Device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US12/559,537 US9615933B2 (en) | 2009-09-15 | 2009-09-15 | Expandable ring intervertebral fusion device |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US15/454,688 Continuation US20170172754A1 (en) | 2009-09-15 | 2017-03-09 | Expandable Ring Intervertebral Fusion Device |
Publications (2)
Publication Number | Publication Date |
---|---|
US20110066192A1 US20110066192A1 (en) | 2011-03-17 |
US9615933B2 true US9615933B2 (en) | 2017-04-11 |
Family
ID=43731298
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US12/559,537 Active 2032-01-03 US9615933B2 (en) | 2009-09-15 | 2009-09-15 | Expandable ring intervertebral fusion device |
US15/454,688 Abandoned US20170172754A1 (en) | 2009-09-15 | 2017-03-09 | Expandable Ring Intervertebral Fusion Device |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US15/454,688 Abandoned US20170172754A1 (en) | 2009-09-15 | 2017-03-09 | Expandable Ring Intervertebral Fusion Device |
Country Status (1)
Country | Link |
---|---|
US (2) | US9615933B2 (en) |
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